| 1, Penn Place, Northway, Rickmansworth | Leasehold | 69 m² | £262,000 (2012) |
| 2, Penn Place, Northway, Rickmansworth | Leasehold | 51 m² | £130,000 (2001) |
| 4, Penn Place, Northway, Rickmansworth | Leasehold | 68 m² | £168,495 (2001) |
| 6, Penn Place, Northway, Rickmansworth | Leasehold | 69 m² | £250,000 (2012) |
| 7, Penn Place, Northway, Rickmansworth | Leasehold | 50 m² | £320,000 (2017) |
| 8, Penn Place, Northway, Rickmansworth | Leasehold | 56 m² | £176,000 (2001) |
| 11, Penn Place, Northway, Rickmansworth | Leasehold | 70 m² | £284,950 (2013) |
| 12 Penn Place, Northway, Rickmansworth, Rickmansworth | Leasehold | 51 m² | £190,000 (2006) |
| 12A, Penn Place, Northway, Rickmansworth | Leasehold | 64 m² | £237,500 (2004) |
| 14, Penn Place, Northway, Rickmansworth | Leasehold | 69 m² | £380,000 (2021) |
| 15, Penn Place, Northway, Rickmansworth | Leasehold | 75 m² | £197,495 (2001) |
| 16, Penn Place, Northway, Rickmansworth | Leasehold | 75 m² | £222,500 (2003) |
| 17, Penn Place, Northway, Rickmansworth | Leasehold | 50 m² | £230,000 (2024) |
| 19, Penn Place, Northway, Rickmansworth | Leasehold | 68 m² | £200,000 (2024) |
| 20, Penn Place, Northway, Rickmansworth | Leasehold | 77 m² | £407,500 (2025) |
| 21, Penn Place, Northway, Rickmansworth | Leasehold | 152 m² | £365,000 (2001) |
| 22 Penn Place, Northway, Rickmansworth | Leasehold | 50 m² | £307,500 (2021) |
| 23, Penn Place, Northway, Rickmansworth | Leasehold | 137 m² | £705,000 (2018) |
| 24, Penn Place, Northway, Rickmansworth | Leasehold | 66 m² | £370,500 (2015) |
| 25 Penn Place, Northway, Rickmansworth | Leasehold | 79 m² | £195,000 (2001) |
| 26 Penn Place, Northway, Rickmansworth | Leasehold | 64 m² | £170,000 (2001) |
| 27, Penn Place, Northway, Rickmansworth | Leasehold | 77 m² | £172,000 (2001) |
| 28 Penn Place, Northway, Rickmansworth | Leasehold | 69 m² | £170,000 (2001) |
| 30 Penn Place, Northway, Rickmansworth | Leasehold | 75 m² | £385,000 (2015) |
| 31, Penn Place, Northway, Rickmansworth | - | 76 m² | - |
| 32, Penn Place, Northway, Rickmansworth | Leasehold | 73 m² | £188,000 (2001) |
| 33, Penn Place, Northway, Rickmansworth | Leasehold | 73 m² | £402,500 (2017) |
| 36 Penn Place, Northway, Rickmansworth, Rickmansworth | Leasehold | 123 m² | £370,000 (2001) |
| 37, Penn Place, Northway, Rickmansworth | Leasehold | 90 m² | £425,000 (2010) |